linux-kernel - Re: [PATCH v6 1/3] seccomp: kill the seccomp

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Date:	Thu, 2 Feb 2012 09:29:00 -0600
From:	"Serge E. Hallyn" <serge.hallyn@...onical.com>
To:	Will Drewry <wad@...omium.org>
Cc:	linux-kernel@...r.kernel.org, keescook@...omium.org,
	john.johansen@...onical.com, coreyb@...ux.vnet.ibm.com,
	pmoore@...hat.com, eparis@...hat.com, djm@...drot.org,
	torvalds@...ux-foundation.org, segoon@...nwall.com,
	rostedt@...dmis.org, jmorris@...ei.org, scarybeasts@...il.com,
	avi@...hat.com, penberg@...helsinki.fi, viro@...iv.linux.org.uk,
	luto@....edu, mingo@...e.hu, akpm@...ux-foundation.org,
	khilman@...com, borislav.petkov@....com, amwang@...hat.com,
	oleg@...hat.com, ak@...ux.intel.com, eric.dumazet@...il.com,
	gregkh@...e.de, dhowells@...hat.com, daniel.lezcano@...e.fr,
	linux-fsdevel@...r.kernel.org,
	linux-security-module@...r.kernel.org, olofj@...omium.org,
	mhalcrow@...gle.com, dlaor@...hat.com, corbet@....net,
	alan@...rguk.ukuu.org.uk, indan@....nu, mcgrathr@...omium.org
Subject: Re: [PATCH v6 1/3] seccomp: kill the seccomp_t typedef

Quoting Will Drewry (wad@...omium.org):
> Replaces the seccomp_t typedef with seccomp_struct to match modern
> kernel style.

(sorry, I'm a bit behind on list)

You were going to switch this to 'struct seccomp' right?

> Signed-off-by: Will Drewry <wad@...omium.org>
> ---
>  include/linux/sched.h   |    2 +-
>  include/linux/seccomp.h |   10 ++++++----
>  2 files changed, 7 insertions(+), 5 deletions(-)
> 
> diff --git a/include/linux/sched.h b/include/linux/sched.h
> index 4032ec1..288b5cb 100644
> --- a/include/linux/sched.h
> +++ b/include/linux/sched.h
> @@ -1418,7 +1418,7 @@ struct task_struct {
>  	uid_t loginuid;
>  	unsigned int sessionid;
>  #endif
> -	seccomp_t seccomp;
> +	struct seccomp_struct seccomp;
>  
>  /* Thread group tracking */
>     	u32 parent_exec_id;
> diff --git a/include/linux/seccomp.h b/include/linux/seccomp.h
> index cc7a4e9..171ab66 100644
> --- a/include/linux/seccomp.h
> +++ b/include/linux/seccomp.h
> @@ -7,7 +7,9 @@
>  #include <linux/thread_info.h>
>  #include <asm/seccomp.h>
>  
> -typedef struct { int mode; } seccomp_t;
> +struct seccomp_struct {
> +	int mode;
> +};
>  
>  extern void __secure_computing(int);
>  static inline void secure_computing(int this_syscall)
> @@ -19,7 +21,7 @@ static inline void secure_computing(int this_syscall)
>  extern long prctl_get_seccomp(void);
>  extern long prctl_set_seccomp(unsigned long);
>  
> -static inline int seccomp_mode(seccomp_t *s)
> +static inline int seccomp_mode(struct seccomp_struct *s)
>  {
>  	return s->mode;
>  }
> @@ -28,7 +30,7 @@ static inline int seccomp_mode(seccomp_t *s)
>  
>  #include <linux/errno.h>
>  
> -typedef struct { } seccomp_t;
> +struct seccomp_struct { };
>  
>  #define secure_computing(x) do { } while (0)
>  
> @@ -42,7 +44,7 @@ static inline long prctl_set_seccomp(unsigned long arg2)
>  	return -EINVAL;
>  }
>  
> -static inline int seccomp_mode(seccomp_t *s)
> +static inline int seccomp_mode(struct seccomp_struct *s)
>  {
>  	return 0;
>  }
> -- 
> 1.7.5.4
> 
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